Articles on Space

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Mars mission with plasma rockets concept. NASA

Traveling to Mars with immortal plasma rockets

Getting to Mars with current rocket technology will use massive amounts of fuel to move very small cargoes. There is a more fuel-efficient way.
What are you thinking? Robots and humans working together need to understand – and even trust – each other. NASA Johnson/flickr

Can I trust my robot? And should my robot trust me?

People and machines need to be able to interact and communicate effectively. Right now we – and they – can't. But without that, we risk missing the potential benefits of collaboration.
New Horizons continues to help unravel the icy dwarf planet’s secrets. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Picture of Pluto further refined by months of New Horizons data

After last summer's Pluto flyby, the New Horizons spacecraft started sending data back to Earth – at 2 kilobits per second. Here's some of what scientists have learned so far from that rich, slow cache.

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